[rrd-users] Some simple questions about Spikes, Average and Points.

[Holger Rose]

Hi!

I work on a small alternative weather station diagram with rrd. In this time i can display some values (temperature, rain ...), but with others i have mental problems.

When i will display Wind direction the graph should be see like the Wind dir (deg) Graph in http://owfs.org/index.php?page=weather----owfsws (only a point for each value). Is that possible?

In wind dir i would like to display a normalized average of the values as additional graph (line as main wind direction). How can i do that?

When i will draw Wind speed, the graph has a dropout when Wind Gust is there. Is a mechanism in rrd who will delete values which are a lot greater or smaller then the last value (dequeues spikes)? If so, (how) can i disable this setting?

Thanks for your help!

Holger
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